.ThermofluidStream.Undirected.HeatExchangers.Internal.PartialDiscretizedHEX.ConductionElementB .ThermofluidStream.Undirected.HeatExchangers.Internal.PartialDiscretizedHEX.ConductionElementBmodel ConductionElementB = ThermofluidStream.Undirected.HeatExchangers.Internal.ConductionElementHEX;